A REVIEW OF CNC MILLING AND TURNING MACHINES

Eccentricity is the distance through the tool’s center of rotation to its correct Centre of mass. Eccentricity is measured in microns and Instrument mass in kilograms, so unbalance is calculated in gram-millimeters.Hydraulic toolholders have an growing metal sleeve stuffed with oil. Turning the actuating screw from the toolholder increases the te